This home built guitar pedal called “Fuzz Face” uses two 3AX31C germanium transistors while its onboard knobs control volume, bass, contour, fuzz, and include an internal trim pot to adjust the fuzz type. Pretty cool design and enclosure for this rockin’ device.

  • peter

    dang. add another project to the list for me…

  • Anonymous

    were can I get the schematics